Solar cap



FIG. 1 is a rear elevational view of a solar cap showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a side elevational view taken from the left of FIG. 1;

FIG. 7 is a top perspective view thereof; and

FIG. 8 is a bottom perspective view thereof.

The ornamental design for a solar cap, as shown.